Does anyone know where I can get a list of authorized online Panasonic dealers? There is a place in town that will match any prices from authorized dealers so I want to make sure I find the lowest price to bring in. I found a similar list on the Sony website but couldn't find anything on Panasonic's.

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Unlike Pioneer and Sony there is no such thing as a Panasonic 'Authorized Dealer' anyone who sells Panasonic products is considered Authorized. You are fully covered by their warranty as long as it was intended for sale in the US (no Gray market stuff).